Notes
This one-off group competed in a talent contest, which they did not win
The dating and most details come from Ken Frankel.
Marshall Leicester was on Easter break from studies at Yale. It is possible that this happened during Christmas break 1962.
Robert Hunter recalled sharing the bill with the Kentucky Colonels, who appeared at the Ash Grove in late April 1963, perhaps rolling into May (per LA Times, 4/28/63, who mention them among the venue's "current attractions")